US 11,815,240 B1
Optical lens and optical lens assembly having the same
Ming-Chih Shih, Tainan (TW)
Assigned to T.Y.C. Brother Industrial Co., Ltd., Tainan (TW)
Filed by T.Y.C. BROTHER INDUSTRIAL CO., LTD., Tainan (TW)
Filed on Dec. 2, 2022, as Appl. No. 18/074,273.
Int. Cl. F21S 41/26 (2018.01); F21S 41/36 (2018.01); F21W 102/13 (2018.01)
CPC F21S 41/26 (2018.01) [F21S 41/36 (2018.01); F21W 2102/13 (2018.01)] 10 Claims
OG exemplary drawing
 
1. An optical lens adapted to projecting forwardly a plurality of light rays, comprising:
a front lens part having a light exit surface adapted to forwardly projecting the light rays; and
a rear lens part disposed rearwardly of said front lens part, and having a rear end,
a light entry portion that is concaved forwardly from said rear end and that is adapted to receive incidence of the light rays, and
a reflective portion that extends forwardly from said rear end and that surrounds said light entry portion, said reflective portion having two first reflective surfaces respectively disposed on top and bottom sides of said light entry portion, two second reflective surfaces respectively disposed at left and right sides of said light entry portion, and a plurality of third reflective surfaces each disposed between one of said first reflective surfaces and one of said second reflective surfaces, said first, second, and third reflective surfaces together forming a discontinuous surface around said light entry portion.